Lightning Rod is an ability introduced in generation 3.
17 Pokémon can have this ability, such as Cubone, Marowak, Rhyhorn, Rhydon and Electrike. For 6 of them it is the hidden ability, usually obtained from events, raids or breeding.
Official effect
Redirects single-target Electric moves to this Pokémon where possible. Absorbs Electric moves, raising Special Attack one stage.